with regard to free-operant conditioning, a form of come-and-go reinforcement wherein a reaction is reinforced following a variant amount of reactions. The value of the schedule is rendered by the average amount of reactions per reinforcer; "VR 10" determines that the average amount of reactions previous to reinforcement is 10.
Understanding Variable Ratio
In psychological and behavioral research, a reinforcement schedule called a variable ratio (VR) is frequently utilized. It is a reinforcement schedule in which a behavior is reinforced following an erratic or variable number of replies. In other words, reinforcement is given in response to the behavior occurring a certain number of times.
The operant conditioning concept, which contends that behaviors are shaped and maintained by their consequences, forms the basis of the variable ratio schedule. This kind of reinforcement schedule requires the person to exhibit the behavior repeatedly before receiving reinforcement, and the quantity of responses needed to do so varies each time.
The variable ratio schedule is an effective strategy for encouraging and maintaining behavior because reinforcement is unpredictable. It is frequently employed in gaming and gambling scenarios where the frequency and size of rewards are erratic and varied, producing a "near-miss" impact that keeps players interested and inspired to keep playing.
Importance
The variable ratio schedule is a key idea in psychology because it has a big impact on behaviorism and operant conditioning. Given that it has been found to be more effective than alternative reward schedules at fostering long-term behavior change, it is a potent tool for establishing and sustaining desired behaviors.
One important application of the variable ratio schedule is in addiction treatment. Substance use disorders are often characterized by repeated engagement in harmful behaviors despite negative consequences. The variable ratio schedule can be used to promote abstinence from drug use by reinforcing behaviors that are incompatible with drug use, such as engaging in healthy activities or attending support group meetings.
Another important application of the variable ratio schedule is in education. Teachers can use this type of reinforcement schedule to motivate students to engage in desired behaviors, such as completing homework or participating in class discussions. By providing reinforcement after a varying number of occurrences of the desired behavior, teachers can maintain students' engagement and motivation to continue exhibiting the desired behavior.
Examples
A classic example of variable ratio reinforcement is gambling. In a slot machine, a player might pull the lever dozens or even hundreds of times before receiving a payout. The unpredictability of the reward schedule keeps the player engaged and motivated to continue playing, even if they are not winning.
Another example is sales commissions. Salespeople are often paid on a variable ratio schedule, where they receive a commission after making a certain number of sales. The exact number of sales required for a commission may vary from week to week, keeping the salesperson motivated to keep working hard.
How Does Variable Ratio Affect Behavior?
Variable ratio reinforcement has been shown to be very effective in promoting long-term behavior change. Because the reward schedule is unpredictable, the behavior becomes more resistant to extinction. This means that the behavior is less likely to stop if the reinforcement is removed.
One explanation for this is the concept of the "near-miss effect". When reinforcement is delivered on a variable ratio schedule, there is often a near-miss where the desired behavior is not reinforced. This near-miss can actually increase the frequency and intensity of the behavior, as the subject becomes more motivated to try again in the hopes of receiving a reward. This can create a cycle of repeated behavior that is very difficult to break.
In conclusion, variable ratio is a powerful tool for shaping and maintaining behaviors in psychology. Its unpredictability and resistance to extinction make it a valuable reinforcement schedule for promoting long-term behavior change.
References
Skinner, B. F. (1953). Science and human behavior. Macmillan.
Schacter, D. L., Gilbert, D. T., & Wegner, D. M. (2011). Psychology (2nd ed.). Worth Publishers.
